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Jyutping heoi4 heoi4 sing1
Pinyin xuē xuē shēng

Definitions (Wiktionary)
  1. adv, Cantonese
    efficiently; quickly
    (syn.) 撞快, 煞著, 較快, 咋咋聲, 嘭嘭聲, 搞快, 趕遽, 快快脆, 猛猛, 連忙, 哩哩啦啦, 趁緊, 遽啊, 緊猛, 咋咋臨, 共快, 是是, 快啲, 遽遽, 含含聲, 較緊, 快勢, 嘞聲, 快乃, 啦啦臨, 快脆, 煞煞, 窸倏, 快, 緊緊, 擒擒青, 趕忙, 趕急, 此刻, 搞起, 抓緊, 啦聲, 較猛, 妝緊, 上緊, 攔緊, 啦啦聲, 快快脆脆, 快快, 趕快, 㗾㗾聲, 臨臨聲, 趕緊, 抗快

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Jyutping hoe4 hoe2 seng1
Pinyin xuē xuē shēng

Definitions (粵典–words.hk)
  1. 副詞
    係​風​嘅​擬​聲​詞​;​引申​嚟​指​做事​好​有效率
    onomatopoeia of wind; figuratively, very quickly and effectively
    • 你㗾㗾聲同我做埋啲嘢佢。
      你㗾㗾声同我做埋啲嘢佢。
      nei5 hoe4 hoe2 seng1 tung4 ngo5 zou6 maai4 di1 je5 keoi5.
      Finish your work quickly.
  2. 近義詞
    嗱嗱聲

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Jyutping heoi4 heoi4 seng1
Pinyin xuē xuē shēng

Definitions (CC-CANTO)
  1. the sound of fast flowing water; very fast
Examples (粵典–words.hk)
  1. Cantonese
    你㗾㗾声同我做埋啲嘢佢。
    你㗾㗾聲同我做埋啲嘢佢。
    nei5 hoe4 hoe2 seng1 tung4 ngo5 zou6 maai4 di1 je5 keoi5.
    • Finish your work quickly.